In modern distributed systems and cloud computing architectures,high availability and high scalability are core requirements to ensure the continuous and stable operation of services.As key technologies for achieving ...In modern distributed systems and cloud computing architectures,high availability and high scalability are core requirements to ensure the continuous and stable operation of services.As key technologies for achieving these two goals,high-availability clusters and load-balancing clusters have significant differences in their design concepts and application scenarios,while also maintaining close connections.This paper aims to conduct an in-depth analysis of the core objectives,working principles,technical advantages and disadvantages,and typical application cases of high-availability clusters and load-balancing clusters.By introducing an analogical model of a“restaurant kitchen,”the differences between the two are intuitively explained,and their technical characteristics are compared in detail.Additionally,a detailed practical case is included to specifically demonstrate the collaborative work of high-availability and load-balancing technologies through the construction process of Keepalived and HAProxy.Finally,taking the architecture of a typical e-commerce website as an example,this paper demonstrates the best practice of organically combining the two cluster technologies in a production environment to build a robust and high-performance distributed system.Research shows that understanding the differences between the two and implementing collaborative deployment is the cornerstone of designing modern IT infrastructure.展开更多
A型流感病毒(influenza A virus,IAV)极易发生突变和重组,导致现有疫苗和抗流感药物失效。因此,开发有效的广谱抗流感病毒疫苗和药物是我国乃至全球的重要需求。2025年1月9日,中国农业科学院兰州兽医研究所/兰州大学动物医学与生物安全...A型流感病毒(influenza A virus,IAV)极易发生突变和重组,导致现有疫苗和抗流感药物失效。因此,开发有效的广谱抗流感病毒疫苗和药物是我国乃至全球的重要需求。2025年1月9日,中国农业科学院兰州兽医研究所/兰州大学动物医学与生物安全学院朱启运研究员团队在Nature Communications杂志发表了题为“Influenza A Virus H7 nanobody recognizes a conserved immunodominant epitope on hemagglutinin head and confers heterosubtypic protection”的研究论文。该研究分离并纯化了一株特异性识别A型流感病毒血凝素(HA)的纳米抗体E10,该抗体对不同亚型流感病毒具有跨组中和和体内保护效应。研究鉴定E10靶向HA头部结构域的保守氨基酸位点(K166/S167),并且含有E10表位的多肽分子能够诱导交叉反应性抗体,能够对小鼠提供部分交叉免疫保护。该研究不仅为流感防治提供了新的手段,也为广谱流感疫苗研发提供了新的靶点和希望。展开更多
文摘In modern distributed systems and cloud computing architectures,high availability and high scalability are core requirements to ensure the continuous and stable operation of services.As key technologies for achieving these two goals,high-availability clusters and load-balancing clusters have significant differences in their design concepts and application scenarios,while also maintaining close connections.This paper aims to conduct an in-depth analysis of the core objectives,working principles,technical advantages and disadvantages,and typical application cases of high-availability clusters and load-balancing clusters.By introducing an analogical model of a“restaurant kitchen,”the differences between the two are intuitively explained,and their technical characteristics are compared in detail.Additionally,a detailed practical case is included to specifically demonstrate the collaborative work of high-availability and load-balancing technologies through the construction process of Keepalived and HAProxy.Finally,taking the architecture of a typical e-commerce website as an example,this paper demonstrates the best practice of organically combining the two cluster technologies in a production environment to build a robust and high-performance distributed system.Research shows that understanding the differences between the two and implementing collaborative deployment is the cornerstone of designing modern IT infrastructure.
文摘A型流感病毒(influenza A virus,IAV)极易发生突变和重组,导致现有疫苗和抗流感药物失效。因此,开发有效的广谱抗流感病毒疫苗和药物是我国乃至全球的重要需求。2025年1月9日,中国农业科学院兰州兽医研究所/兰州大学动物医学与生物安全学院朱启运研究员团队在Nature Communications杂志发表了题为“Influenza A Virus H7 nanobody recognizes a conserved immunodominant epitope on hemagglutinin head and confers heterosubtypic protection”的研究论文。该研究分离并纯化了一株特异性识别A型流感病毒血凝素(HA)的纳米抗体E10,该抗体对不同亚型流感病毒具有跨组中和和体内保护效应。研究鉴定E10靶向HA头部结构域的保守氨基酸位点(K166/S167),并且含有E10表位的多肽分子能够诱导交叉反应性抗体,能够对小鼠提供部分交叉免疫保护。该研究不仅为流感防治提供了新的手段,也为广谱流感疫苗研发提供了新的靶点和希望。
